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Folder structure for a Node.js project

... Concerning the folders you mentioned: /libs is usually used for custom classes/functions/modules /vendor or /support contains 3rd party libraries (added as git sub-module when using git as source control) /spec contains specifications for BDD tests. /tests contains the unit-...
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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection

...e I was unable to find a relevant implementation I decided to accept the challenge. I made some modifications to the squares demo present in OpenCV and the resulting C++ code below is able to detect a sheet of paper in the image: void find_squares(Mat& image, vector<vector<Point> >...
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iOS / Android cross platform development [closed]

... These frameworks take different approaches, and many of them are fundamentally designed to solve different problems. Some are focused on games, some are focused on apps. I would ask the following questions: What do you want to write? Enterprise application, personal productivity application, puzzle...
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How can I add the new “Floating Action Button” between two widgets/layouts

...out_height or margin values, which could vary in time or be defined dynamically. Hugh's answer could work in some simple cases, and perhaps could be a workaround for some third-party libraries that don't fully support CoordinatorLayout and layout_anchor and layout_anchorGravity features, like the on...
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AngularJS routing without the hash '#'

I'm learning AngularJS and there's one thing that really annoys me. 10 Answers 10 ...
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Can I protect against SQL injection by escaping single-quote and surrounding user input with single-

... First of all, it's just bad practice. Input validation is always necessary, but it's also always iffy. Worse yet, blacklist validation is always problematic, it's much better to explicitly and strictly define what values/formats you a...
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Android - how do I investigate an ANR?

...ocking operations from within the event thread. You should make sure these all happen in separate threads. If nothing seems the problem, use DDMS and enable the thread view. This shows all the threads in your application similar to the trace you have. Reproduce the ANR, and refresh the main thread a...
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django test app error - Got an error creating the test database: permission denied to create databas

... you will have the same error. You can fix it for mysql with: => GRANT ALL ON *.* TO django@localhost; I originally tried to only GRANT CREATE... but then could not SELECT or DROP the created database. This essentially makes your user a superuser, so be careful. – mightypi...
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Percentage width in a RelativeLayout

... You are looking for the android:layout_weight attribute. It will allow you to use percentages to define your layout. In the following example, the left button uses 70% of the space, and the right button 30%. <LinearLayout android:layout_width="match_parent" android:layout_hei...
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Automatically start forever (node) on system restart

...terminates when there is a system restart. Is there any way I can automatically start the node server (with forever) when the system restarts? ...